BE874691A - PROCESS FOR THE ELIMINATION OF IMPURITIES FROM PHOSPHORIC ACID - Google Patents

PROCESS FOR THE ELIMINATION OF IMPURITIES FROM PHOSPHORIC ACID

Info

Publication number
BE874691A
BE874691A BE0/193901A BE193901A BE874691A BE 874691 A BE874691 A BE 874691A BE 0/193901 A BE0/193901 A BE 0/193901A BE 193901 A BE193901 A BE 193901A BE 874691 A BE874691 A BE 874691A
Authority
BE
Belgium
Prior art keywords
elimination
impurities
phosphoric acid
phosphoric
acid
Prior art date
Application number
BE0/193901A
Other languages
French (fr)
Inventor
K Parks
D Mcdonald
K Clevenger
Original Assignee
Agrico Chem Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Agrico Chem Co filed Critical Agrico Chem Co
Publication of BE874691A publication Critical patent/BE874691A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/18—Phosphoric acid
    • C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
    • C01B25/222—Preparation by reacting phosphate-containing material with an acid, e.g. wet process with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/18—Phosphoric acid
    • C01B25/22—Preparation by reacting phosphate-containing material with an acid, e.g. wet process
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B25/00—Phosphorus; Compounds thereof
    • C01B25/16—Oxyacids of phosphorus; Salts thereof
    • C01B25/18—Phosphoric acid
    • C01B25/234—Purification; Stabilisation; Concentration
    • C01B25/237—Selective elimination of impurities
    • C01B25/238—Cationic impurities, e.g. arsenic compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Removal Of Specific Substances (AREA)
BE0/193901A 1978-03-09 1979-03-08 PROCESS FOR THE ELIMINATION OF IMPURITIES FROM PHOSPHORIC ACID BE874691A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/884,823 US4299804A (en) 1978-03-09 1978-03-09 Removal of magnesium and aluminum impurities from wet process phosphoric acid

Publications (1)

Publication Number Publication Date
BE874691A true BE874691A (en) 1979-09-10

Family

ID=25385479

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/193901A BE874691A (en) 1978-03-09 1979-03-08 PROCESS FOR THE ELIMINATION OF IMPURITIES FROM PHOSPHORIC ACID

Country Status (10)

Country Link
US (1) US4299804A (en)
JP (1) JPS5567516A (en)
BE (1) BE874691A (en)
CA (1) CA1117730A (en)
ES (1) ES478179A1 (en)
FR (1) FR2419253A1 (en)
GB (1) GB2015985B (en)
IT (1) IT1114462B (en)
NL (1) NL7901829A (en)
SE (1) SE7902080L (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4379776A (en) * 1981-07-13 1983-04-12 Occidental Research Corporation Process for reducing aluminum and fluorine in phosphoric acids
US4377560A (en) * 1981-07-13 1983-03-22 Occidental Research Corporation Process for producing low aluminum content phosphoric acid from high aluminum matrix
US4443421A (en) * 1982-03-16 1984-04-17 Occidental Chemical Corporation Process for removing particulate impurities from aqueous phosphoric acid
US4505884A (en) * 1982-05-17 1985-03-19 Occidental Research Corporation Process for producing HF from impure phosphoric acids
US4435372A (en) 1982-09-13 1984-03-06 Tennessee Valley Authority Production of purified strong wet-process phosphoric acid
US4557748A (en) * 1984-08-24 1985-12-10 Farmland Industries, Inc. Method of lowering the magnesium impurity level of wet-process phosphoric acid during production of liquid fertilizer
FR2570363B1 (en) * 1984-09-14 1986-12-26 Centre Nat Rech Scient PROCESS FOR SEPARATING IMPURITIES BASED ON MAGNESIUM AND POSSIBLY ALUMINUM AND FLUORIDE, FROM A PHOSPHORIC ACID PREPARED BY A WET PROCESS
US4657559A (en) * 1985-05-08 1987-04-14 Freeport Research And Engineering Company Process for seed crystal preparation for phosphoric acid crystallization
US4655790A (en) * 1985-05-08 1987-04-07 Freeport Research And Development Company Phosphoric acid crystallization process
US4655789A (en) * 1985-05-08 1987-04-07 Freeport Research And Engineering Company Phosphoric acid crystallization process
US4640828A (en) * 1985-10-22 1987-02-03 International Minerals & Chemical Corp. Separation of dissolved substances from wet process phosphoric acid
US4639359A (en) * 1985-12-16 1987-01-27 International Minerals & Chemical Corp. Process of removing cationic impurities from wet process phosphoric acid
US4710366A (en) * 1986-10-23 1987-12-01 Freeport Minerals Company Method for producing stabilized wet process phosphoric acid with low content of magnesium and aluminum
US5236679A (en) * 1992-05-06 1993-08-17 Freeport-Mcmoran Resource Partners Removal of aluminum contamination during production of phosphoric acid
FI105909B (en) 1999-03-24 2000-10-31 Kemira Chemicals Oy Process for improving the quality of phosphoric acid
US7736526B2 (en) * 2008-10-03 2010-06-15 Thompson Industrial Services, Llc Method of filtering phosphate utilizing a rotary table filter or horizontal table filter
CN103523764B (en) * 2013-06-27 2016-08-17 云南云天化国际化工股份有限公司 A kind of reduce the method for magnalium impurity in phosphoric acid by wet process
KR101757812B1 (en) * 2015-05-29 2017-07-14 세메스 주식회사 System for regenerating the phosphoric acid solution, and Apparatus and method for treating substrate
CN106185855B (en) * 2016-06-30 2017-12-15 云南磷化集团有限公司 A kind of feed grade phosphoric acid by wet process deep-purifying method
CN107804831A (en) * 2017-12-05 2018-03-16 瓮福达州化工有限责任公司 A kind of method for controlling purification of wet process phosphoric acid sodium ions content
CN109795995B (en) * 2019-04-04 2021-02-05 华东理工大学 Method for efficiently removing impurities from phosphoric acid by hydrochloric acid wet process

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3379501A (en) * 1965-02-23 1968-04-23 Fmc Corp Phosphoric acid purification
GB1220223A (en) * 1967-01-16 1971-01-20 Messerschmitt Boelkow Blohm A liquid cooled rocket combustion chamber with thrust nozzle
US3494736A (en) * 1968-08-26 1970-02-10 John N Carothers Process for removing silicon,aluminum and fluorine from wet process phosphoric acid
US3800029A (en) * 1970-02-27 1974-03-26 Mitsui Toatsu Chemicals Process for recovering sodium fluosilicate from wet process phosphoric acid
US4136199A (en) * 1977-06-27 1979-01-23 Occidental Chemical Company Metallic ion removal from phosphoric acid

Also Published As

Publication number Publication date
IT7948211A0 (en) 1979-03-05
FR2419253A1 (en) 1979-10-05
CA1117730A (en) 1982-02-09
ES478179A1 (en) 1979-05-16
NL7901829A (en) 1979-09-11
JPS5567516A (en) 1980-05-21
GB2015985B (en) 1982-08-11
FR2419253B3 (en) 1981-11-20
IT1114462B (en) 1986-01-27
GB2015985A (en) 1979-09-19
SE7902080L (en) 1979-09-10
US4299804A (en) 1981-11-10

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: AGRICO CHEMICAL CY

Effective date: 19880331